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https://www.readbyqxmd.com/read/29147591/upper-limb-deep-vein-thrombosis-in-patient-with-hemophilia-a-and-heterozygosity-for-prothrombin-g20210a-a-case-report-and-review-of-the-literature
#1
Fares Darawshy, Yosef Kalish, Issam Hendi, Ayman Abu Rmelieh, Tawfik Khoury
Deep vein thrombosis (DVT) is a rare disease in patients with hemophilia A. We report a case of 22-year-old male with severe hemophilia A who presented to the emergency room with 5-day history of right arm pain that was attributed initially to bleeding event. In the absence of external signs of bleeding or hematoma and normal hemoglobin level, we suspected an underlying DVT. Doppler ultrasonography of the right upper limb revealed thrombosis of the subclavian vein and this was confirmed by CT venography. The d-dimer level was normal and investigations for prothrombotic state revealed heterozygosity for prothrombin G20210A mutation...
2017: Case Reports in Hematology
https://www.readbyqxmd.com/read/29106832/-diabetes-mellitus-a-prothrombotic-disease
#2
F Picard, J Adjedj, O Varenne
In patients with acute atherothrombotic disease, diabetes or glucose intolerance is frequently found. Indeed, the number of people with diabetes in the world continues to increase and is expected to reach more than 500 million people by 2035. Diabetes is a pathology commonly associated with both microvascular and macrovascular complications. Although the mortality of coronary artery disease has decreased significantly over the past 20 years, mortality in patients with type 2 diabetes has changed little and atherothrombotic events remain the leading cause of death in diabetic patients...
October 26, 2017: Annales de Cardiologie et D'angéiologie
https://www.readbyqxmd.com/read/29106772/effects-of-aerobic-interval-training-on-arterial-stiffness-and-microvascular-function-in-patients-with-metabolic-syndrome
#3
Ricardo Mora-Rodriguez, Miguel Ramirez-Jimenez, Valentin E Fernandez-Elias, Maria V Guio de Prada, Felix Morales-Palomo, Jesus G Pallares, Rachael K Nelson, Juan F Ortega
The authors determined the effect of high-intensity aerobic interval training on arterial stiffness and microvascular dysfunction in patients with metabolic syndrome with hypertension. Applanation tonometry was used to measure arterial stiffness and laser Doppler flowmetry to assess microvascular dysfunction before and after 6 months of stationary cycling (training group; n = 23) in comparison to a group that remained sedentary (control group; n = 23). While no variable improved in controls, hypertension fell from 79% (59%-91%) to 41% (24%-61%) in the training group, resulting in lower systolic and diastolic pressures than controls (-12 ± 3 and -6 ± 2 mm Hg, P < ...
November 6, 2017: Journal of Clinical Hypertension
https://www.readbyqxmd.com/read/29092891/sildenafil-is-associated-with-reduced-device-thrombosis-and-ischemic-stroke-despite-low-level-hemolysis-on-heart-mate-ii-support
#4
Omar Saeed, Sabarivinoth Rangasamy, Ibrahim Selevany, Shivank Madan, Jeremy Fertel, Ruth Eisenberg, Mohammad Aljoudi, Snehal R Patel, Julia Shin, Daniel B Sims, Morayma Reyes Gil, Daniel J Goldstein, Marvin J Slepian, Henny H Billett, Ulrich P Jorde
BACKGROUND: Persistent low-level hemolysis (LLH) during continuous-flow mechanical circulatory support is associated with subsequent thrombosis. Free hemoglobin from ongoing hemolysis scavenges nitric oxide (NO) to create an NO deficiency which can augment platelet function leading to a prothrombotic state. The phosphodiesterase-5 inhibitor, sildenafil, potentiates NO signaling to inhibit platelet function. Accordingly, we investigated the association of sildenafil administration and thrombotic events in patients with LLH during Heart Mate II support...
November 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/29075072/evaluation-of-coagulation-profile-in-children-with-type-1-diabetes-mellitus-using-rotational-thromboelastometry
#5
Cigdem Binay, Ayse Bozkurt Turhan, Enver Simsek, Ozcan Bor, Olga Meltem Akay
The prothrombotic state in type 1 diabetes mellitus (T1DM) has been reported as a plausible cause of vascular complications. Rotational thromboelastometry (ROTEM) assay enables the global assessment of coagulation status. This study aimed to assess hypercoagulability in children with T1DM using ROTEM. A total of 43 T1DM children (20 females and 23 males) aged 2-18 years and age- and sex-matched 30 healthy control subjects were enrolled in the study group. ROTEM assays [intrinsic TEM (INTEM) and extrinsic TEM (EXTEM)] were used to measure and analyze coagulation time (CT), clot formation time, maximum clot firmness (MCF)...
December 2017: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/29068434/prothrombotic-state-in-young-females-with-severe-early-onset-obesity
#6
Petra Loid, Satu Långström, Heli Viljakainen, Anne Mäkipernaa, Markku Heikinheimo, Outi Mäkitie
No abstract text is available yet for this article.
October 25, 2017: Pediatric Research
https://www.readbyqxmd.com/read/29026409/hemostasis-in-hypothyroidism-and-autoimmune-thyroid-disorders
#7
REVIEW
Arash Ordookhani, Kenneth D Burman
CONTEXT: There are contradictory results on the effect of hypothyroidism on the changes in hemostasis. Inadequate population-based studies limited their clinical implications, mainly on the risk of venous thromboembolism (VTE). This paper reviews the studies on laboratory and population-based findings regarding hemostatic changes and risk of VTE in hypothyroidism and autoimmune thyroid disorders. EVIDENCE ACQUISITION: A comprehensive literature search was conducted employing MEDLINE database...
April 2017: International Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28930589/procoagulant-activity-during-viral-infections
#8
Saravanan Subramaniam, Inge Scharrer
The abundance of evidence suggest that inflammation of immune and non-immune cells may lead to an imbalance of the pro- and anti-coagulant state during viral infections. During systemic infections, the endothelium plays a critical role in regulating hemostasis, and severe imbalances of endothelial function and activation can contribute to organ failure. Viral infections may elevate plasma levels of procoagulant markers such as TAT and D-dimer TF-positive MPs as well as von Willebrand factor (vWF). Although multiple clinical studies are showing the association of viral infection and increased prothrombotic risk, the pathological mechanisms have not been fully identified for most viral infections...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28917273/mechanisms-and-risk-factors-of-thrombosis-in-cancer
#9
REVIEW
Anna Falanga, Laura Russo, Viola Milesi, Alfonso Vignoli
The close relationship between cancer and thrombosis is known since more than a century. Venous thromboembolism (VTE) may be the first manifestation of an occult malignancy in an otherwise healthy individual. Cancer patients commonly present with abnormalities of laboratory coagulation tests, indicating an ongoing subclinical hypercoagulable condition. The results of laboratory tests demonstrate that a process of fibrin formation and removal parallels the development of malignancy, which is of particular interest since fibrin and other clotting products are important for both thrombogenesis and tumor progression...
October 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28911832/association-of-silent-infarcts-in-sickle-cell-anemia-with-decreased-annexin-a5-resistance
#10
Kerry A Morrone, Lydia H Pecker, Jacob Rand, Jennifer Davila, Suzette Oyeku, Jane A Little, Xue Xiaonan, Deepa Manwani
BACKGROUND: Sickle cell anemia (SCA) is characterized by abnormally shaped, adhesive RBCs that interact with white blood cells and the endothelium, leading to chronic hemolysis, vasculopathy and a prothrombotic state. About 10% of subjects with a thrombotic event in the general population will have an associated antiphospholipid (aPL) antibody. One proposed mechanism for the thrombophilic nature of aPL antibodies is the disruption of the potent anticoagulant annexin A5 or Annexin A5 resistance (A5R)...
September 4, 2017: Blood Cells, Molecules & Diseases
https://www.readbyqxmd.com/read/28904463/relationship-between-factor-v-leiden-gene-variant-and-risk-of-ischemic-stroke-a-case-control-study
#11
Amit Kumar, Shubham Misra, Ram Sagar, Pradeep Kumar, Arun K Yadav, Pumanshi Talwar, Ritesh Raj, Kameshwar Prasad
BACKGROUND: Factor V Leiden is the most common genetic variation among the blood coagulation pathway which leads to prothrombotic state, therefore, is considered an important gene for understating the stroke mechanism. AIM: The aim of the present study is to determine the relationship between single nucleotide polymorphism at G1691A position of Factor V gene and risk of ischemic stroke (IS) in North Indian population. MATERIALS AND METHODS: In a retrospective case-control study, 250 patients with IS and 250 age- and gender-matched controls were enrolled in the period of October 2012 to September 2014 from in- and out-patient department of Neurology, All India Institute of Medical Sciences, New Delhi, India...
July 2017: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/28903941/increased-hazard-of-myocardial-infarction-with-insulin-provision-therapy-in-actively-smoking-patients-with-diabetes-mellitus-and-stable-ischemic-heart-disease-the-bari-2d-bypass-angioplasty-revascularization-investigation-2-diabetes-trial
#12
Asrar A Khan, Matthew J Chung, Eric Novak, David L Brown
BACKGROUND: In the BARI 2D (Bypass Angioplasty Revascularization Investigation 2 Diabetes) trial, randomization of diabetic patients with stable ischemic heart disease to insulin provision (IP) therapy, as opposed to insulin sensitization (IS) therapy, resulted in biochemical evidence of impaired fibrinolysis but no increase in adverse clinical outcomes. We hypothesized that the prothrombotic effect of IP therapy in combination with the hypercoagulable state induced by active smoking would result in an increased risk of myocardial infarction (MI)...
September 13, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28888622/the-utility-of-thromboelastography-and-thrombin-generation-in-assessing-the-prothrombotic-state-of-adults-with-sickle-cell-disease
#13
Marije Wijnberge, Kiran Parmar, Rachel Kesse-Adu, Jo Howard, Alexander T Cohen, Beverley J Hunt
INTRODUCTION: Previous studies have suggested a chronic hypercoagulable state in SCD, and that thrombosis also plays a role in the pathophysiology of sickle cell vaso-occlusive pain crises (VOC). Studies looking at thrombin generation have produced conflicting results. In this study we aimed to assess and compare whole blood thromboelastography (TEG) and plasma Calibrated Automated Thrombogram (CAT) in SCD versus healthy controls and in four different SCD subgroups. MATERIALS AND METHODS: In this prospective observational study, TEG and 1pM TF activated CAT assays were performed in citrated blood samples from 77 adult (18-66years old) SCD patients (HbSS and HbSB) and 22 healthy (HbAA) ethnically-matched controls...
September 6, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28822718/role-of-the-coagulation-system-in-genitourinary-cancers-review
#14
REVIEW
Axel John, Christian Gorzelanny, Alexander T Bauer, Stefan W Schneider, Christian Bolenz
Tumor progression is associated with aberrant hemostasis, and patients with malignant diseases have an elevated risk of developing thrombosis. A crosstalk among the vascular endothelium, components of the coagulation cascade, and cancer cells transforms the intravascular milieu to a prothrombotic, proinflammatory, and cell-adhesive state. We review the existing evidence on activation of the coagulation system and its implication in genitourinary malignancies and discuss the potential therapeutic benefit of antithrombotic agents...
July 26, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28809090/the-association-between-p-selectin-glycoprotein-ligand-1-gene-variable-number-of-tandem-repeats-polymorphism-and-risk-of-thrombosis-in-beh%C3%A3-et-s-disease
#15
Fulya Cosan, Basar Oku, Ozgun M Gedar Totuk, Neslihan Abaci, Duran Ustek, Reyhan Diz Kucukkaya, Ahmet Gul
OBJECTIVES: Behçet's disease (BD) has been recognized as an unclassified type of vasculitis with an accompanying tendency to thrombosis. No disease-specific pathology has been demonstrated so far to explain the prothrombotic state, and this predisposition is considered to be associated with endothelial activation/dysfunction. P-selectin glycoprotein ligand-1 (PSGL-1) variable number of tandem repeat (VNTR) polymorphism has an impact on the protein length, and heterozygosity affect of the PSGL-1 to P-selectin interaction, which has been found to be associated with an increased risk of thrombosis in patients with antiphospholipid syndrome...
August 14, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28807377/crem-transgene-mice-an-animal-model-of-atrial-fibrillation-and-thrombogenesis
#16
A Bukowska, M Felgendreher, B Scholz, C Wolke, J S Schulte, E Fehrmann, E Wardelmann, M D Seidl, U Lendeckel, K Himmler, A Gardemann, A Goette, F U Müller
BACKGROUND: The molecular pathomechanisms underlying atrial thrombogenesis are multifactorial and still require detailed investigations. Transgenic mice with cardiomyocyte-directed expression of the transcriptional repressor CREM-IbΔC-X (CREM-TG) represent an experimental model of atrial fibrillation (AF) that shows a gradual, age-dependent progression from atrial ectopy to persistent AF. Importantly, this model develops biatrial thrombi. The molecular characteristics related to the thrombogenesis in CREM-TG mice have not been studied, yet...
August 1, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28804838/platelet-function-tests-preanalytical-variables-clinical-utility-advantages-and-disadvantages
#17
Anne-Mette Hvas, Erik Lerkevang Grove
Platelet function tests are mainly used in the diagnostic work-up of platelet disorders. During the last decade, the additional use of platelet function tests to evaluate the effect of antiplatelet therapy has also emerged in an attempt to identify patients with an increased risk of arterial thrombosis. Furthermore, platelet function tests are increasingly used to measure residual effect of antiplatelet therapy prior to surgery with the aim of reducing the risk of bleeding. To a limited extend, platelet function tests are also used to evaluate hyperaggregability as a potential marker of a prothrombotic state outside the setting of antiplatelet therapy...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28804824/laboratory-testing-for-activated-protein-c-resistance-apcr
#18
Soma Mohammed, Emmanuel J Favaloro
Activated protein C resistance (APCR) describes a hemostatic disorder characterized by a poor anticoagulant response to activated protein C (APC). This results in an increased risk of venous thrombosis, including deep vein thrombosis and pulmonary embolism. Protein C is a natural anticoagulant that is synthesized in the liver and is activated to APC via proteolysis. APC then degrades Factors Va and VIIIa. APCR describes the reduced inability of APC to cleave Factors Va and VIIIa, which therefore promotes increased thrombin generation and potentially leads to a prothrombotic state...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28804823/an-overview-of-thrombophilia-and-associated-laboratory-testing
#19
Martina Montagnana, Giuseppe Lippi, Elisa Danese
Venous thromboembolism, usually entailing deep vein thrombosis, pulmonary embolism, or both, is a complex and multifactorial disorder, in which a number of putative conditions interplay and finally contribute to propel the individual risk over a certain degree, so ultimately culminating in the development of venous occlusive disorders. Thrombophilia is commonly defined as a propensity to develop venous thromboembolism on the basis of an underlying hypercoagulable state attributable to inherited or acquired disorders of blood coagulation or fibrinolysis...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28775078/tlr2-plays-a-key-role-in-platelet-hyperreactivity-and-accelerated-thrombosis-associated-with-hyperlipidemia
#20
Sudipta Biswas, Alejandro Zimman, Detao Gao, Tatiana V Byzova, Eugene A Podrez
RATIONALE: Platelet hyperreactivity, which is common in many pathological conditions, is associated with increased atherothrombotic risk. The mechanisms leading to platelet hyperreactivity are complex and not yet fully understood. OBJECTIVE: Platelet hyperreactivity and accelerated thrombosis, specifically in dyslipidemia, have been mechanistically linked to the accumulation in the circulation of a specific group of oxidized phospholipids (oxPCCD36) that are ligands for the platelet pattern recognition receptor CD36...
September 29, 2017: Circulation Research
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